<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src="../jquery.js"></script>
</head>
<body>
	<div>1</div>
	<div>2</div>
	<div>3</div>
</body>
<script>
	// $(function(){
	// 	jQuery('div').css('color','red')

	// 	// 说明 jQuery 和$是一样的作用
	// })


	var  p1 = {
		age:23
	}

	p1.prototype.run = function(){
		console.log()
	}
	p1.prototype = {
		
	}
</script>
</html>